Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si [ Multi-functional home air quality detectors]Real time track all potential safety hazards that may exist in as: pollen, particulate matter (PM2.5 & PM1.0), carbon monoxide (CO), carbon dioxide (CO2), TVOC (airborne chemicals), humidity and temperature. [Friendly for Allergic person]Our air quality monitor detects particulate matters like pollen, PM2.5, PM1.0 and TVOC in real-time to avoid Asthma attacks, sneezing, runny & stuffy nose, itchy & puffy eyes, sore throat, hay-fever etc, a friendly equipment for Allergic person. [Smart WiFi connect & App control]Our air quality detectors support WiFi remote connection and App control. control it, set alarm alert value and track the air quality data by cellphone even we are not . [Visualble & audible design.]All the air quality data shows on the 7inch screen in real time, see and read it clearly on the screen. 85 db alarm is loud for alert when data exceeds the limit. [Widely use for indoor] use it to detect air quality for home, living room, bedroom, office, hotel, classroom, or use it on RV car etc. Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, the , the Philippines, Taiwan and so on. size: AC100-240V Material: ABS colour: Black Package Contents: 1 x Carbon Monoxide Detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.